Improvements in the production of abrasive tools or instruments,申请号GB19440008588-传众专利搜索

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发明名称	Improvements in the production of abrasive tools or instruments
摘要
申请公布号	GB561892(A)	申请公布日期	1944.06.08
申请号	GB19440008588	申请日期	1943.11.26
申请人	JOHN FERRARI	发明人
分类号	B24D3/08;B24D18/00	主分类号	B24D3/08
代理机构		代理人
主权项
地址

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